instance_pool errros fixed
bq_cond_send changed to multicast
instance_heap bugfix
Header added; fallback to one bq_cond
tabs cleanup
new fancy synchronization logic from blocking_queue_t (not tested though)
Merge pull request #2 from discobot/master

Добавил pd/lightning/instance_pool
Merge branch 'ring-handler' of https://github.com/skywalker239/lightning into ring-handler
Merge branch 'ring-handler' of https://github.com/skywalker239/lightning into ring-handler
Merge branch 'master' of https://github.com/skywalker239/lightning

Conflicts:
	pd/lightning/instance_pool.H
Merge branch 'master' of https://github.com/skywalker239/lightning into instance_pool
new proposer_pool implemented; not tested
proposer_pool activation synchronization implemented
tests for proposer_pool
concurrent_heap separated; proposer_pool refactoring; tests
Merge branch 'phill' of https://github.com/skywalker239/lightning into phill